Explosive-engine.



EXPLOSIVE ENGINE.

APPLICATION FILED APR. 11; H6. 1,243,483. Patented Oct. 16, 1917.

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, APPLICATION mm APR. 11. 1916. 1,243,483. Patented 0ct.16,1917.

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gwuc'nhw NATE- AN BOGGS, F RCSEBURG, OREGON,

ASSIGNOR OF ONE-THIRD TO CREED CONN, OF

RGSEBURG, OREGON, AND ONE-THIRD TO HENRY P. CONN, OF MELBOSE, OREGON.

EXPLOSIVE-ENGINE.

Specification of Letters Patent.

Patented Got. 165, 1911?.

Application filed April 11, 1916. Serial No. 90,389.

To all whom it may concern Be it known that I, NATHAN Bones, a citizen of the United States, residing at ROSE- burg, in the county of Douglas and State of Oregon, have invented certain new and useful Improvements in Explosive-Engines; and I do hereby declare the following to be a full, clear, and exact descri )tion of the invention. such as will enable others slrilled'in the art &.-O which it appertains to make and use the same.

This invention relates generally to engines of the explosive type, and has for its primary object to proviee an improved and simplified explosive engine of the two-cycle double acting type embodying a novel construction and arrangement of oscillating cylinders. v 7

Another obj set is the provision or an improved engine embodying a separate pump Or compressor operating in consonance with the engine and connected in a novel manner with the explosive chambers of the engine.

Y/ith these and other object-sin view, the

' invention consists in the novelconstruction, combination and arrangement of parts as will be hereinafter specifically described, claimed and illustrated in the accompanying drawings, in which:

Figure 1 represents a side elevation of the improved engine, partly in section,

Fig. represents a detail sectional view on the line 22- of Fig. 1, and

Fig. 3 represents a vertical sectional view through a modified type of engine.

Referring to the drawings, wherein similar reference numerals designatecorrespond ing parts throughout the several views, and referring more particularly to Figs. 1 and 2, wherein is disclosed an engine embodying two cylinders, the numeral 5 indicates a base carrying end and intermediate uprights 6 and 7, respectively, which are their lower terminals with respectively, crank shaft 10 of the engine. At points intermediate the end and intermediate uprights 6 and 7, the crank 10 is provided with crank pins 11, which are pivotally connected with the'piston on connecting rods 12, carrying at their upper extremities the hollow pistons 18. As clearly illustrated in bearings 8 and 9,

Fig. 1, the crank pins 11 of the crank shaft are opposed.

arranged in spaced relation and are provided ad]acentin which is supported the main The upper terminals of the intermediate upright-s 7 are forket and provided with bearings let. which are arranged in axial alinement with the bearings 15 at the terminals of the end uprights 6. The outer bearings 1a of the intermediate uprights '7 and the bee-sings 15 of the end uprights 6 pivotally support the laterally projecting and diametrically opposed trunnions or stub shaft-s 16 of a pair of cylinders 17, having heads 18 secured in the upper ends thereof, and heads 19 secured inthe lower ends thereof, slidal'ily receiving the piston or connecting rods 12. T he upper and lower heads 18 and 19 are provided with spark plug-receiving openings 20 and 21, respectively, and the lower head is provided with the usual stuihng box to prevent leakage of the mixture or explosion around the rods 12.

A double acting pump or compressor cylinder 24 is provided with laterally project ing and dian'ietrically opposed trunnions pivotally supported in the inner bearings 14: of the intermediate uprights 7 and the upper and lower terminals thereof are closed by heads 26 and 27, respectively the lower head being provided with a stuthng box :28, slidably receiving the piston rod 29 of a piston 30, reciprocably mountecL within the cylinder The lower terminal of the piston rod 29 of the pump is provided with a bearing 31, pivotally mounted upon a crank pin adapted to be adjustably secured in a diametrical slot 33 formed in a wheel 3% by a set screw ihe wheel Set is iwn-rotatably secured upon a shaft 36 mounted in a bearing 37 carried by one of the intermediateuprights 7 and is non-rotatably securedto a relatively small gear wheel 38, which meshes with a relatively large gear wheel 39 rotatably secured upon the main crank shaft 10, whereby rotary movement is transmitted to the wheel 3d and, through the crank pin 82, reciprocatory movement is transmitted to the piston rod 29.

Thecylinders 17 are partially inclosed by water chambers 40, which communicate with angular passages 11 formed in the outer trunnions 16. Passages 41 are adapted to be connected with a water pipe, not shown, and the heated water is discharged from the water chambers 40 through ports 42, arranged above the passages 41 in the trunnions 16 and adapted for flexible water pipe.

The chamber is partitioned to provide mixture inlet passages 43, which communicate centrally with passages formed in the inner trunnions 16 of the cylinders 17 and communicate at their outer ends with substantially ii-shaped pipes The cylinder heads 18 and 19 are provided with inlet ports at and 17, respectively, which communicate with the inlet pipes and are inclosed by valve housings or casings 48, receiving the inlet valves The valves 19 are of the outwardly closing puppet type and the stems thereof are slidably received within guides 50, and are normally retained in closed position by the tension of springs 51 coiled about the stems and engaged with the guides 50. 7

lilixture conducting pipes 52 are secured in the inner trunnions 16 of the cylinder 17 and are rotatably received in the passages or bores 53 formed in the trunnions 25, whereby the explosive charge, under compression, is conducted from the pump cylinder 2% to the combustion chambers of the cylinders 17, the rotatable connection between the pipes 52 and the trunnions permitting the variable oscillatory moveonnection with ment of the engine and pump cylinders 17 and 24, respectively. Thepassages 53 communicate with. oppositely extending passages formed longitudinally of the opposite sides of the cylinder 2%, and connect by ports 56 with the opposite ends of the pump cylinder. T he combustible gas or fuel to be compressed and delivered to the engine cylinders 17 by the pump 2%- is admitted to the latter by a pipe or manifold 57, which is connected with a suitable carbureter, not shown, and communicates with inlet ports 58 in the heads 26 and 27 of the cylinder. The discharge of the combustible gas through the ports 58 is prevented by a pair of spring actuated check valves 59 arranged in the ports 58 and mounted in guides 60. The expanded products of combustion resulting from the intermittent and alternate explosions in the opposite ends of the cylinders 17v are discharged through exhaust ports 61, formed centrally of the cylinders 17 and adapted to be uncovered by the pistons 13 during reciprocatory movement thereof.

r-ls above stated, the pistons 13 0f the en gine cylinders are of hollow formation and are efiectively cooled by air admitted thereto through ports 62 formedlongitudinally in the piston rods 12 and communicating with ports 63 formed in the connecting rod bearings. V r

Due .to the gear ratio of the gears connecting the main shaft 10 with the shaft 36, it is evident that the piston of the pump or compressor reciprocates at a greater speed than the pistons 13 of the two cylinders 17, and thus during operation of the engine the combustible gas is alternately pumped into the opposite combustion chambers of the two cylinders. It is further evi dent that due to the fact that the two engine cylinders operate in the manner of a double acting two cylinder engine tour power impulses are imparted to the crank shaft 10 at each revolution of the latter. The pressure at which the combustible gas is delivered to the respective cylinders 17 may be varied as desired by changing the stroke of the piston 30 of the pump or compressor. This adjustment is effected by moving the crank pin 32 longitudinally within the slot 33, and subsequently looking it in adjusted position by the set screw 35.

In the modification of the invention illus trated in Fig. 3 there is disclosed an explosive engine embodying but one cylinder and a pump or compressor associated therewith for delivering combustible gas to the engine cylinder during operation. T his type of engine is also of the two cycle double acting type and the fundamental features of con struction are identical with the type illustrated in Figs. 1 and 2. Referring to the.

modification in detail, the numeral5 indicates a base carrying spaced verticalend and center upri hts 6 and 7 respectively. Adjacent their lower ends the uprights 6 and 7 are provided with main bearings 8 and 9 respectively, in which is rotatably supported the crank shaft 70.

The upper terminals of the and 7 which are pivotally supported the diametrically opposed trunnions 72 of the single engine cylinder 73. One of the trunnions 72 is provided with a water inlet pipe 7%, which connects with the water chamber 75, the water contained in the chamber 75 being discharged, during operation of the engine through a flexible water outlet pipe 7 6. The other trunnion 72 is provided with a passage 77, which communicates with an inlet passage 78 formed in the cylinder 73 and which latter communicates, at its opposite ends with inlet pipes 7 9. The'pipes 7 9 are connected with the inlet ports 80 formed in the heads 81 of the cylinder 73 in which uprights 6 are arranged outwardly closing inlet valves is secured in .the pas-- and is rotatably received within an. axial, passage 84: formed- 82. An inlet pipe 83 sage 77 of the trunnion 72 in the adjacent trunnion 85 of the pump or compressor cylinder 86. The trunnions 85 are pivotally supported in the bearings 71 of the uprights 6 and 7 and the passage 84 communicates with a longitudinal passage 87 formed inthe wallof cylinder 86.

The passage 87 communicates with the op.

posite ends of the cylinder 86, whereby the combustible gas compressed in the ends of are provided with bearings, 71 in' the cylinder 86 during operation of the engine is conducted to the combustion chambers of the engine cylinder 73. Check valves S7 are arranged at the opposite ends of the passage 87 and are designed to prevent the combustible gas reentering the ends of the pump cylinder 86 subsequent to a compression stroke of the piston 91, which latter is reciprocably mounted in the cylinder.

The combustible gas or fuel is admitted to the ends of the cylinder 86 through passages 88 and 89 formed in the trunnion and cylinder walls 85 and 86, respectively, and pipes 90, which communicate with the valve controlled inlet ports 91 in the heads of the cylinder 86.

The piston 91 is reciprocably mounted within the cylinder 86 and is connected with a piston rod 92, which latter is pivotally connected at its lower end with an adjustable crank pin 93 carried by a wheel 941. The wheel 94 is non-rotatably supported upon a shaft 95, which is connected withthe crank shaft 70 of the engine by pinions 96. The shaft 95 may be connected by gears 97 with a high tension magneto 98 for furnishing electricity for the ignition system (not shown) of the engine.

The engine cylinder 73 is provided with an exhaust port 99 over which is movable the hollow piston 100, carrying the piston rod 101, which is connected at its lower terminal with the crank pin 102 of the crank shaft 70.

As in the type of engine illustrated in Figs. 1 and 2, the hollow piston 100 communicates with a longitudinal bore 108 formed in the piston rod 101, whereby air is admitted to the interior of the piston 100, during operation of the engine, for effectively cooling the latter.

What I claim is:

1. In an explosive engine, a cylinder hav- Copies of this patent may be obtained for ing an internal circumferential chamber, a pair of laterally projecting hollow trunnions carried by said cylinder, one of said trunnions communicating with said chamber, partitions arranged in said chamber providing a mixture conducting passage communicating with the other hollow trunnion, said cylinder having inlet ports in the ends thereof, and pipes connecting said mixture conducting passage with said inlet ports.

'2. In an explosive engine a cylinder having an internal circumferential chamber, pairs of laterally projecting hollow trunnions carried by said cylinder, partitions arranged in said chamber dividing the latter into mixture-conducting and water containing passages, one of said passages communicating with one of the hollow trunnions and the other passage communicating with the other hollow trunnion, said cylinder having inlet ports in the ends thereof, and pipes connecting said mixture-conducting passage with said ports.

3. In an explosive engine, a plurality of uprights, a pump cylinder pivotally sup ported in said uprights, an engine cylinder pivotally supported in said uprights, means connecting said pump cylinder with said engine cylinder, a piston reciprocably mounted in said engine cylinder, means connecting said piston with said crank shaft, a piston reciprocably mounted in the pump cylinder, a wheel operatively connected with the crank shaft, an adjustable crank pin connected with the wheel, means for securing the crank pin in adjusted position, and means for connecting the crank pin with the pump piston.

In testimony whereof I aliix my signature in presence of two witnesses.

NATHAN BOGGS.

Witnesses:

DAVID Gr. CONN, B. L. EDDY.

five cents each, by addressing the Commissioner of Patents,

Washington, I). G. 

